Re: [Emc-users] Is the Linuxcnc Web site ok?

2015-10-13 Thread Dave Cole
I just got this: Forbidden You don't have permission to access / on this server. Additionally, a 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request. On 10/13/2015 7:49 PM, jrmitchellj . wrote: > I am getting "forbiden" message when I try to

Re: [Emc-users] AC Servo Motors

2015-10-08 Thread Dave Cole
has to be enabled and the motor exercised and then I turn the self tuning off once the motor is responding properly. I found that if I did not do that, that the Teco self tuning would try to compensate for improper tuning in LinuxCNC! Dave --- This email has b

Re: [Emc-users] AC Servo Motors

2015-10-07 Thread Dave Cole
gt; drives then I really don't think that there are any downsides. I agree.With good brushless servos I see no downside. Dave --- This email has been checked for viruses by Avast antivirus software. https:/

Re: [Emc-users] Here's Gene's new pocket O'scope

2015-10-06 Thread Dave Cole
On 10/6/2015 11:18 AM, Jon Elson wrote: > On 10/06/2015 01:16 AM, Philipp Burch wrote: >> This is sometimes called the "equivalent-time sampling": > Yes, that's how sampling scopes work. But, I SERIOUSLY > doubt that $49 contraption does that! > > Jon > I

Re: [Emc-users] Cylindrical grinder Jones and Shipman

2015-10-06 Thread Dave Caroline
A good make from near me (30 miles ish,) I imagine a cnced version would be useful Dave On 06/10/2015, Marshland Engineering <marshl...@marshland.co.nz> wrote: > I've just purchased an old but good Jones and Shipman grinder. While > stripping > it all for sand blasting and repai

Re: [Emc-users] Very cheap stepper drives

2015-10-01 Thread Dave Cole
On 10/1/2015 5:26 AM, Mark Wendt wrote: > On Wed, Sep 30, 2015 at 7:39 PM, Dave Cole <linuxcncro...@gmail.com> wrote: >> On 9/30/2015 11:15 AM, Mark Wendt wrote: >>> Worst part of the deal was we were under contract for 48 >>> days, and when they backed out the

Re: [Emc-users] Very cheap stepper drives

2015-09-30 Thread Dave Cole
is crazy expensive. Dave --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus -- ___ Emc-users mailing list

Re: [Emc-users] Very cheap stepper drives

2015-09-30 Thread Dave Cole
On 9/30/2015 5:54 AM, Mark Wendt wrote: > On Tue, Sep 29, 2015 at 7:33 PM, Dave Cole <linuxcncro...@gmail.com> wrote: >> I purchased some very cheap stepper drives based on the TB6660 Toshiba >> chip a little while ago for a very much "budget driven" con

Re: [Emc-users] Very cheap stepper drives

2015-09-30 Thread Dave Cole
On 9/30/2015 10:54 AM, Jon Elson wrote: > On 09/29/2015 09:47 PM, Dave Cole wrote: >> If it makes you feel better Walmart is using their website to sell other >> peoples products now. > OK, so that is just like Amazon, then. That is better! > > Jon > Yes. Sti

[Emc-users] Very cheap stepper drives

2015-09-29 Thread Dave Cole
n this box but considering that three of these cheap drives cost less than one 3.5 amp Geckodrive, and they do drive the stepper motors, what is there not to like. Dave --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com

Re: [Emc-users] Very cheap stepper drives

2015-09-29 Thread Dave Cole
the website through Google translate. Dave On 9/29/2015 8:04 PM, andy pugh wrote: > On 30 September 2015 at 00:33, Dave Cole <linuxcncro...@gmail.com> wrote: >> I purchased some very cheap stepper drives based on the TB6660 Toshiba >> chip a little while ago for a ver

Re: [Emc-users] Yaskawa or not

2015-09-29 Thread Dave Cole
everything fails. And chances are that if you do the conversion, they will call you when a drive goes down in the future. Dave On 9/29/2015 1:55 PM, Marius Liebenberg wrote: > Ted > The machine is 15 years old. DOS for sure. The screens look like the old > pascal interface for cga screens

Re: [Emc-users] multiple gcode streams in parallel

2015-09-25 Thread Dave Cole
On 9/25/2015 4:31 PM, Ron Ginger wrote: > Mach4 Industrial allows multiple instances of the full system including > gcode interpretation. It is only being supported with 6 instances but > the design is not limited. That's really nice! :-) Dave --- This email has been checked fo

Re: [Emc-users] multiple gcode streams in parallel

2015-09-24 Thread Dave Caroline
Actually this problem touches the independent axes problem that I foresee in my sliding head lathe where an axis that will be cutting later needs to start part way though another's coordinated move in order to save time. Dave Caroline On 24/09/2015, andy pugh <bodge...@gmail.com> wrote: &

Re: [Emc-users] multiple gcode streams in parallel

2015-09-24 Thread Dave Caroline
might be better to let the two talk to each other in some way so move starts/runs are really synchronised properly rather than rely on buffers. eg classic ladder or some clocking or whatever Dave Caroline On 24/09/2015, Jerry Scharf <jsch...@finsix.com> wrote: > Hi, > > I have hac

Re: [Emc-users] Keeping track of machine (g53) position

2015-09-24 Thread Dave Cole
On 9/24/2015 5:09 AM, Gene Heskett wrote: > I am about to go carve up a > kilobucks worth of Mahogany. Have you considered using southern yellow pine or fir for a test run? Dave --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/ant

Re: [Emc-users] multiple gcode streams in parallel

2015-09-24 Thread Dave Cole
FWIW, The Modbus TCP interface in Classic Ladder supports both a client and a server, so peer to peer networking with connections to Hal and Gcode interlocks would be possible with the standard software. Dave On 9/24/2015 7:44 AM, Dave Caroline wrote: > Actually this problem touc

Re: [Emc-users] multiple gcode streams in parallel

2015-09-24 Thread Dave Cole
t $200 doesn't buy much these days. Are you guys making a machine to assemble/process your laptop charger product? That looks nice. Dave On 9/24/2015 11:05 AM, Jerry Scharf wrote: > Hi, > > These are two completely independent machines with no coordination. Many > times only 1 wi

Re: [Emc-users] Keeping track of machine (g53) position

2015-09-24 Thread Dave Cole
On 9/24/2015 3:16 PM, Gene Heskett wrote: > On Thursday 24 September 2015 11:06:48 Dave Cole wrote: > >> On 9/24/2015 5:09 AM, Gene Heskett wrote: >>> I am about to go carve up a >>> kilobucks worth of Mahogany. >> Have you considered using southern yellow pi

Re: [Emc-users] multiple gcode streams in parallel

2015-09-24 Thread Dave Cole
I suspect there is actually a lot of interest in being able to run multiple paths at the same time, but I also think it is likely a lot of development work to make it happen. Dave On 9/24/2015 4:05 PM, Jerry Scharf wrote: > Dave, > > This is what I thought and after talking to the p

Re: [Emc-users] multiple gcode streams in parallel

2015-09-24 Thread Dave Cole
of interpreters and planners which is what you would like. Dave On 9/24/2015 2:24 PM, Jerry Scharf wrote: > There is an axis for the second robot and the hal files are all set up. > This is about the python interface and running two separate motion commands > at the same time. If I can do that, then

Re: [Emc-users] A lot of input/output. Cheap

2015-09-22 Thread Dave Cole
ld need some rework. You will be surprised how difficult doing that will be. There are some good reasons why they are made in a horizontal fashion. You will also likely need to alter the hydraulics so the machine doesn't fall open or closed if it loses power. Dave --- T

Re: [Emc-users] R: A lot of input/output. Cheap

2015-09-22 Thread Dave Cole
. If you are lucky there is a standalone Temposonics interface board that puts out 0-10VDC. I've worked on several injection molding machines. Dave On 9/22/2015 7:15 PM, John Thornton wrote: > I'd say the smallest touch panel you could get would be twice the price > of a good PC... &g

Re: [Emc-users] A lot of input/output. Cheap (Profibus)

2015-09-21 Thread Dave Cole
master device can be made via software and standard RS485 interface, but I could be wrong. Dave On 9/21/2015 11:03 AM, Karlsson & Wang wrote: >> Gentlemen, >> be careful with Profibus, there are different tastes of it. Especially >> the one designed for building automation w

Re: [Emc-users] Porting LinuxCNC(EMC) to Windows was CAD/CAM for LinuxCNC

2015-09-20 Thread Dave Cole
chine conversion. Out of character behavior, like your router taking off and slamming into the stops just doesn't happen. And that makes all of this very worthwhile! :-) Dave On 9/20/2015 11:47 AM, John Dammeyer wrote: > Hi Mark, > I'm using the latest BeagleBone Black Debian and I'v

Re: [Emc-users] CAD/CAM for LinuxCNC

2015-09-19 Thread Dave Cole
a step and direction signals. Dave --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus -- ___ Emc-users mailing list Emc

Re: [Emc-users] CAD/CAM for LinuxCNC

2015-09-18 Thread Dave Cole
e a problem for me. The licensing model is rather convoluted. Although I can understand them trying to protect their software sales, I suspect that it also scares away a number of potential users. Dave --- This email has been checked for viruses by Avast antivirus software. https://www.

Re: [Emc-users] CAD/CAM for LinuxCNC

2015-09-18 Thread Dave Cole
itted that the Microsoft "Cloud" is running with Linux boxes. http://www.wired.com/2015/09/microsoft-using-linux-run-cloud/?mbid=nl_91815 Dave On 9/18/2015 8:18 PM, Drew Rogge wrote: > I'm not sure how many Tormach machines are out there but hopefully Tormach > going with linuxcnc an

Re: [Emc-users] CAD/CAM for LinuxCNC

2015-09-18 Thread Dave Cole
ugs can't be found, you have to start over. Dave --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus -- ___ Emc-users mailing list

Re: [Emc-users] CAD/CAM for LinuxCNC

2015-09-18 Thread Dave Cole
is already in wide use by many OEMs. The hobby side is not the focus. Good. What OEMs are using Mach4? Dave On 9/18/2015 5:38 PM, Ron Ginger wrote: > Mach4 does not in any way 'phone home'. Although the code is different > it works exactly as mach3- you get a license file mailed to y

Re: [Emc-users] CAD/CAM for LinuxCNC

2015-09-18 Thread Dave Cole
on. Most of us were only aware of the change after it happened, but as it turned out, we got a new planner out of it! :-)(Plus likely several other fixes) Dave --- This email has been checked for virus

Re: [Emc-users] CAD/CAM for LinuxCNC

2015-09-18 Thread Dave Cole
What's the overall opinion of Cambam? I tried it a while back and put it aside. I don't remember why, but I was not impressed. Is it a usable tool or not?I'm looking for a low cost lathe package. Les should do a lathe version of Sheetcam. Dave On 9/18/2015 10:29 AM, andy pugh wrote

Re: [Emc-users] CAD/CAM for LinuxCNC

2015-09-18 Thread Dave Cole
I thought that Mach4 only needed to be connected to the internet when it was installed to handshake with the license server? Has Mach3 gone in the same direction ??I thought they stopped development on Mach3. Dave On 9/18/2015 12:49 AM, John Dammeyer wrote: > Hi, > I've been using

Re: [Emc-users] A lot of input/output. Cheap

2015-09-15 Thread Dave Cole
changes. Dave On 9/15/2015 2:53 AM, Sven Wesley wrote: > Yo! > > I have this old injection moulder and the electric mayhem has degraded to a > point were I need to either throw out the machine or rebuild. The machine > is mechanically in good shape so I lean towards the latter. > >

Re: [Emc-users] Calculate Servo Power

2015-09-11 Thread Dave Cole
is very high. 95+ %. Dave On 9/11/2015 6:50 AM, John Thornton wrote: > I mean two jack shafts with the belt fixed to the gantry and the servo > driving a jack shaft. > > JT > > On 9/11/2015 1:40 AM, Milosz K. wrote: >> If you mean by an open ended timing belt th

Re: [Emc-users] Calculate Servo Power

2015-09-10 Thread Dave Cole
Yes. On 9/10/2015 7:36 AM, John Thornton wrote: > It's a timing belt drive, would that be close to a rack and pinion? > > JT > > On 9/9/2015 11:58 PM, Milosz K. wrote: >> John, >> >> Assuming this is a rack & pinion type configuration: >> >> angular v (w) = linear vel * pulley radius (R) >>

Re: [Emc-users] Calculate Servo Power

2015-09-09 Thread Dave Cole
to it, but it is worth the effort. If you setup the model properly, it delivers accurate sizing calculations. Dave On 9/9/2015 6:53 AM, John Thornton wrote: > I need to calculate the power needed to move a gantry. I assume that > mass and velocity and acceleration are the key factors. Knowing those

Re: [Emc-users] Machining a servo motor shaft.

2015-09-08 Thread Dave Cole
ng a hacksaw against a spinning shaft will make quick work of it. Dave On 9/7/2015 6:09 AM, andy pugh wrote: > I have a motor that would be about right for my lathe conversion, if > it didn't have a brake on the back. (a nice short motor is useful for > a Lathe X axis). > > I am consi

Re: [Emc-users] Machining a servo motor shaft.

2015-09-08 Thread Dave Cole
On 9/8/2015 9:37 AM, andy pugh wrote: > On 8 September 2015 at 14:45, Dave Cole <linuxcncro...@gmail.com> wrote: >> I chucked the 1/2" shaft I did not want to machine in the 3 jaw chuck. >> I supported the other end of the shaft with a live center > Unfortunately

Re: [Emc-users] Lathe conversion to all metal gearing and sprockets

2015-09-06 Thread Dave Cole
If you have a NAPA auto parts place in town, check them out. They used to carry generic locktite of varying types. If they don't have exactly what you need they can often get it in a day or two. Dave On 9/6/2015 3:52 PM, Gene Heskett wrote: > On Sunday 06 September 2015 09:03:41 E

Re: [Emc-users] Lathe conversion to all metal gearing and sprockets

2015-09-06 Thread Dave Cole
-) When a project spans years that can more easily happen. Dave --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus -- ___

Re: [Emc-users] Lathe conversion to all metal gearing and sprockets

2015-09-05 Thread Dave Cole
-Red-271.htm Dave On 9/5/2015 8:49 PM, Gene Heskett wrote: > I guess the fedex guy didn't have anything better to do, so the motor I > ordered a couple days back walked up and splatted itself into a deck > chair beside the front door about 10:30 ish this morning. > > That meant I

Re: [Emc-users] Supported Servo Motors

2015-09-02 Thread Dave Cole
hat's no help if the carriage is the wrong side of a fixed steady, though :-) Good point. I wonder if anyone has ever setup selectable homing points? Dave --- This email has been checked for viruses by Avast antivirus software. ht

Re: [Emc-users] Supported Servo Motors

2015-09-01 Thread Dave Cole
ices were crazy high. Apparently some of the older Yaskawa drives used special connectors that are not readily available now. And that was for year 20002001 vintage Yaskawa servos. Dave --- This email has been checked fo

Re: [Emc-users] computing max acceleration for an actuator

2015-08-27 Thread Dave Cole
and things get a little gummed up, you don't want your actuator to be slower than what you command. That may result in following errors and frustration. The same is true of the max velocity. Dave On 8/27/2015 6:15 PM, Jerry Scharf wrote: My question was the opposite. If you set the max

Re: [Emc-users] Tormach's Unexpected Benefits Of LinuxCNC

2015-08-20 Thread Dave Cole
I'm surprised that they are surprised! :-) Dave On 8/19/2015 5:04 PM, Bruce Layne wrote: Tormach expected PathPilot, their extended version of LinuxCNC, to be an improvement but they're apparently surprised that a few things are even better than they expected. http://www.tormach.com/blog

Re: [Emc-users] Axis Drive Options

2015-08-20 Thread Dave Cole
linear belt drives at ridiculous speeds inside of cages (in case the parts come loose) - 24x7. I have also seen them used in press loaders that shuttle the parts so fast, that they are difficult to see. If they are properly sized they run for a very long time before requiring maintenance. Dave

Re: [Emc-users] BeagleBone and LinuxCNC for a lathe.

2015-08-12 Thread Dave Cole
On 8/12/2015 4:25 PM, Gene Heskett wrote: On Wednesday 12 August 2015 12:35:18 Dave Caroline wrote: Why stepper ? gearing up the speed with a pulley even less sense, they lose so much torque at a sensible lathe spindle speed that I cannot understand the reasoning for going down the wrong

Re: [Emc-users] BeagleBone and LinuxCNC for a lathe.

2015-08-12 Thread Dave Caroline
too. I do use small lathes (watch (DC) and clockmaker (AC induction motor) sizes) and need to get the RPM up a lot for small stuff. Dave Caroline -- ___ Emc-users mailing list

Re: [Emc-users] Min spindle encoder resolution for mill rigid tapping?

2015-08-11 Thread Dave Caroline
the encoder edge. not something I would try. Dave Caroline -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] Min spindle encoder resolution for mill rigid tapping?

2015-08-11 Thread Dave Caroline
machine dependent(and its settings) and I doubt anyone can write a general specification. I wonder if the tap makers have any numbers for machine taps. Dave Caroline On 11/08/2015, Jon Elson el...@pico-systems.com wrote: On 08/10/2015 06:38 PM, David Bagby wrote: Hi, I'm planning a mill

Re: [Emc-users] Inverted Tooth Chain Drives

2015-08-10 Thread Dave Cole
My wife has a 2014 Focus with the NA engine. It's got all of the bells and whistles. Nice car. Dave On 8/10/2015 6:03 PM, andy pugh wrote: On 10 August 2015 at 20:23, Dave Cole linuxcncro...@gmail.com wrote: Which engine has a belt running in oil ?? The 1.0 3-cylinder EcoBoost http

Re: [Emc-users] Inverted Tooth Chain Drives

2015-08-10 Thread Dave Cole
not likely be a problem. Dave On 8/10/2015 9:46 AM, Gene Heskett wrote: On Monday 10 August 2015 08:34:53 andy pugh wrote: I recently replaced the cam-chain on my motorcycle. I am not sure I needed to, the new one I bought wasn't very much shorter than the old one. Examining the drive, it appears

Re: [Emc-users] Inverted Tooth Chain Drives

2015-08-10 Thread Dave Cole
Interesting I don't think that the Polychain belts were out when I asked the question of that Gates engineer years ago. Thanks, Dave On 8/10/2015 2:46 PM, N. Christopher Perry wrote: The fiberglass cords in the rubber belts has a sizing agent that assists in bonding the fibers

Re: [Emc-users] Inverted Tooth Chain Drives

2015-08-10 Thread Dave Cole
On 8/10/2015 2:12 PM, andy pugh wrote: On 10 August 2015 at 18:46, Dave Cole linuxcncro...@gmail.com wrote: However he said the same belt would have no issues running in oil which really surprised me! He said they were designed to run in oily, greasy environments and as such running in oil

Re: [Emc-users] Encoder filtering

2015-08-06 Thread Dave Cole
On 8/6/2015 11:34 AM, Gene Heskett wrote: On Thursday 06 August 2015 11:14:15 Dave Cole wrote: On 8/6/2015 10:12 AM, Gene Heskett wrote: Question, since the motors can get quite warm, how do you fix a die-cast 1x1x2.5 box to a motor? Most modern glues tend to come apart at higher temps

Re: [Emc-users] Encoder filtering

2015-08-06 Thread Dave Cole
gaps. 3M has some interesting epoxy called Scotch Weld that also looks promising. Dave --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus

Re: [Emc-users] Gear Hobber

2015-07-31 Thread Dave Caroline
. On the Barber Colman, see the ball handle upper middle to the rear of the head http://www.collection.archivist.info/archive/DJCPD/PD/2014/2014_09_17_Barber_Colman_cnc/IMG_1830.JPG That has a vernier marked to allow estimation to 5 minutes. Dave Caroline

Re: [Emc-users] Gear hobbing machine

2015-07-31 Thread Dave Caroline
/wrap of the worm wheel around the worm. You also need some crazy wide cutter to hob the worm itself Dave -- ___ Emc-users mailing list Emc-users@lists.sourceforge.net https

Re: [Emc-users] Gear hobbing machine

2015-07-30 Thread Dave Caroline
it remains as a feature. Dave Caroline On 30/07/2015, John Kasunich jmkasun...@fastmail.fm wrote: On Wed, Jul 29, 2015, at 09:35 PM, richsh...@comcast.net wrote: I am adapting a version of the little hobber and want to use linux-CNC to do the ratio division between the hob and the work spindles

Re: [Emc-users] Gear hobbing machine

2015-07-30 Thread Dave Caroline
+colman and http://www.archivist.info/cnc/hob2/ there are some more thoughts I wrote up some years ago http://www.collection.archivist.info/hobbing.html in that diagram there is a differential, a hal comp has recently been implemented so that is now possible Dave Caroline On 30/07/2015, richsh

Re: [Emc-users] Possible lathe spindle encoder.

2015-07-29 Thread Dave Cole
Does Ford buy them via Amazon ?? ;-) The price is right. http://www.amazon.co.uk/Febi-36070-Crankshaft-Timing-Wheel/dp/B00CD3DHXO I can't find a source for the sensor in the US. Dave On 7/28/2015 6:01 AM, andy pugh wrote: Now that many cars have automatic stop/start there is a requirement

Re: [Emc-users] Before i go bonkers: M98, M99

2015-07-26 Thread Dave Caroline
Linuxcnc supports subroutines with a different syntax http://linuxcnc.org/docs/html/gcode/o-code.html Dave Caroline On 26/07/2015, John Thornton j...@gnipsel.com wrote: Just because code is available in other controls doesn't automagicly mean it is included in LinuxCNC. That is an unrealistic

Re: [Emc-users] Tormach co-founder, Greg Jackson, obituary

2015-07-23 Thread Dave Cole
-unresponsive-on-sailboat-on-lake-michigan-taken-to-the-hospital/ A couple of years ago two guys died trying to move a 35+ foot sailboat from one marina to another in 9-10 ft waves in Chicago. One guy went over the side and another went in trying to save the first and they both died. Dave On 7/23

Re: [Emc-users] Tormach co-founder, Greg Jackson, obituary

2015-07-22 Thread Dave Cole
On 7/22/2015 12:28 PM, andy pugh wrote: On 22 July 2015 at 16:34, Dave Cole linuxcncro...@gmail.com wrote: At night it is common practice to tie in via lifelines even if there are other crew on the boat since it is difficult to find someone in the dark And other crew are only any help

Re: [Emc-users] Tormach co-founder, Greg Jackson, obituary

2015-07-22 Thread Dave Cole
of miles an hour quickly moves away from the man overboard. Obviously he loved sailing and he had a beautiful boat. But 62 is way too early to go. :-( I think I will check my lifelines a second time the next time I go out. Dave On 7/22/2015 6:50 AM, sam sokolik wrote: sounds like

Re: [Emc-users] looking for inexpensive modular encoder

2015-07-15 Thread Dave Cole
So you have a few spares on the shelf! ;-) Dave On 7/15/2015 11:21 AM, Ken Strauss wrote: The site says Minimum order quantity: 280 . I don't have that many mills! -Original Message- From: andy pugh [mailto:bodge...@gmail.com] Sent: Wednesday, July 15, 2015 10:46 AM To: Enhanced

Re: [Emc-users] looking for inexpensive modular encoder

2015-07-14 Thread Dave Cole
I'm not actually answering your question; but have you looked at the shaft encoders on Ebay recently? There were some $15 units the last time I looked. It might make sense to adapt to some of those? $43 seems like a lot of money for the modular units considering what is delivered. Dave On 7

Re: [Emc-users] looking for inexpensive modular encoder

2015-07-14 Thread Dave Cole
On 7/14/2015 9:41 PM, Jon Elson wrote: On 07/14/2015 11:59 AM, Dave Cole wrote: I'm not actually answering your question; but have you looked at the shaft encoders on Ebay recently? There were some $15 units the last time I looked. It might make sense to adapt to some of those? $43 seems

Re: [Emc-users] Small cnc-controlled chuck

2015-07-10 Thread Dave Caroline
Use a collet chuck with auto closing. I have seen one machine where the wood was pushed through a square driven collet and over a grinding head similar to a swiss lathe. was making fishing floats in balsa Dave Caroline

Re: [Emc-users] Small cnc-controlled chuck

2015-07-10 Thread Dave Cole
than starting from scratch. What is not acceptable from a metal turning standpoint (ala accuracy and wear) might be fine from a wood turning standpoint. Dave On 7/10/2015 11:56 AM, Viesturs Lācis wrote: Hello! I need to build a machine for rotary milling of wood parts. The thing

Re: [Emc-users] Small cnc-controlled chuck

2015-07-10 Thread Dave Cole
for accurate metal turning but it might be fine for wood rotary positioning. https://www.ridgid.com/us/en/power-threading-machines They are extremely common and if you can find an older unit you might be able to pick one up cheaply and adapt it. Dave On 7/10/2015 2:08 PM, Andy Pugh wrote

Re: [Emc-users] How to lie properly in CNC programs.

2015-07-08 Thread dave
On 07/08/2015 09:32 AM, Les Newell wrote: On 08/07/2015 14:44, Gene Heskett wrote: Chuckle. And I've always wondered, with the shortage of cat skin products on the market, just what DOES get done with all those cat skins? ;-) https://www.youtube.com/watch?v=uJfM23iChzs Les The low tech

Re: [Emc-users] Motherboard?

2015-07-07 Thread Dave Cole
On 7/7/2015 9:48 AM, andy pugh wrote: On 7 July 2015 at 14:42, Dave Cole linuxcncro...@gmail.com wrote: How about a Gigabyte J1900M-D3V ?? I have decided to never buy another Gigabyte MB as they can't write BIOSes. I think the F1 version of the J1900 bios was rough, but the boards I have

Re: [Emc-users] Motherboard?

2015-07-07 Thread Dave Cole
How about a Gigabyte J1900M-D3V ?? Amazon UK has them in stock. What was the problem with the J1800? The J1900's had an issue early on with the version 1 bios and Linux. Dave On 7/7/2015 8:51 AM, andy pugh wrote: On 7 July 2015 at 09:35, Roland Jollivet roland.jolli...@gmail.com wrote

Re: [Emc-users] More progress

2015-07-02 Thread Dave Cole
. :-) Just go slow and in the same direction so backlash doesn't come into play. Dave --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus -- Don't Limit Your

[Emc-users] Jet lathe compound

2015-07-01 Thread dave
While doing measurements for a T-nut for a jet lathe compound I realized that the surface forward of the slot was approx 30 thou lower than the rear surface. With two examples of this I cannot imagine that this is an accident. Can anyone shed light on this apparent anomaly? Dave

Re: [Emc-users] CHNC Auction East Coast

2015-06-30 Thread dave
Maybe not. google shows weight at closer to 5225. Not so bad unless you are shipping coast to coast. D On 06/30/2015 02:39 PM, Stuart Stevenson wrote: Picture shows controller power on. It is my guess the machine is a running machine. On Tue, Jun 30, 2015 at 4:34 PM, Gene Heskett

Re: [Emc-users] OT: lathe cut-off tool FS advice

2015-06-30 Thread Dave Caroline
/watch parts, getting the edge on centre is critical for good work Dave Caroline -- Don't Limit Your Business. Reach for the Cloud. GigeNET's Cloud Solutions provide you with the tools and support that you need to offload your

Re: [Emc-users] X-mode Breakout

2015-06-29 Thread Dave Caroline
I only found something called XP mode for a printer port Dave On 29/06/2015, Gene Heskett ghesk...@wdtv.com wrote: On Monday 29 June 2015 11:07:24 Todd Zuercher wrote: Does any one know of any breakout boards that will work with X-mode? I mean besides simple straight through terminal blocks

Re: [Emc-users] X-mode Breakout

2015-06-29 Thread Dave Caroline
what X-mode Dave Caroline On 29/06/2015, Todd Zuercher zuerc...@embarqmail.com wrote: Does any one know of any breakout boards that will work with X-mode? I mean besides simple straight through terminal blocks. Preferably something with isolation and buffering

Re: [Emc-users] Threading wizard problems

2015-06-23 Thread Dave Caroline
Just waiting is a symptom of not seeing the index pulse Dave Caroline On 23/06/2015, Marius Liebenberg mar...@mastercut.co.za wrote: Any suggestions please gents? I am testing a wizard that Robert Adams is doing for threading with Linuxcnc. There are problems with the Gcode but I am not clued

Re: [Emc-users] fun with logging - mach4 edition

2015-06-22 Thread Dave Cole
that has the source code on it for the included GPLed software. Dave On 6/22/2015 10:19 AM, sam sokolik wrote: https://groups.yahoo.com/neo/groups/mach1mach2cnc/conversations/messages/148029 sam On 6/22/2015 9:07 AM, Dave Cole wrote: I was referring to Peter Homann, who first made the comment

Re: [Emc-users] fun with logging - mach4 edition

2015-06-22 Thread Dave Cole
I'd be lost without you. :) I know, but its a burden I must carry. ;-) Dave On 6/22/2015 5:54 PM, Peter Homann wrote: Hey Dave, Thanks for looking out for me. I'd be lost without you. :) Peter On 23/06/2015 12:07 AM, Dave Cole wrote: I was referring to Peter Homann, who first made

Re: [Emc-users] TB6600 Stepper Motor Drivers

2015-06-22 Thread Dave Cole
connectors together or they are molded on, that should not be a difficult modification.I don't have the machine as this is for my nephew. The machine is about 10 years old. Any idea if they were molding on the DIN connectors back then? Thanks, Dave On 6/22/2015 10:32 PM, Steve

[Emc-users] TB6600 Stepper Motor Drivers

2015-06-22 Thread Dave Cole
control box was lost. Dave --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus -- Monitor 25 network devices or servers for free with OpManager! OpManager is web

Re: [Emc-users] TB6600 Stepper Motor Drivers

2015-06-22 Thread Dave Cole
That's good news. Thanks, Dave On 6/23/2015 12:14 AM, Steve Stallings wrote: Yes, you can cut the center taps free of each other and drive it full coil. You might also consider using half coil depending on how the motor responds. All the ones that I have seen are standard connectors

Re: [Emc-users] fun with logging - mach4 edition

2015-06-22 Thread Dave Cole
testing is very interesting. It's very cool that LinuxCNC has the ability to observe the performance of Mach3/4 by interconnecting the two systems. That should be a real eye opener for the Mach4 gang. Dave On 6/22/2015 2:19 AM, Peter Blodow wrote: I don't. What is it? Peter Blodow Am 22.06.2015

Re: [Emc-users] fun with logging - mach4 edition

2015-06-21 Thread Dave Cole
Peter, You should know what is going on Dave On 6/21/2015 8:46 PM, Peter wrote: It must be a slow day on the emc-users list. Peter --- Peter Homann http://www.homanndesigns.com/store On Mon 22/06/15 9:59 AM , Dave Cole * wrote:Wow! I

Re: [Emc-users] fun with logging - mach4 edition

2015-06-21 Thread Dave Cole
Wow! I guess this may be why they were pushing hardware generated step and direction creation so hard. Dave On 6/21/2015 3:28 PM, sam sokolik wrote: https://groups.yahoo.com/neo/groups/mach1mach2cnc/conversations/topics/148006 sam

Re: [Emc-users] GutHub getting sneaky? Yes.

2015-06-16 Thread Dave Cole
Github was in the news recently regarding their valuation and this: http://www.bloomberg.com/news/articles/2015-06-15/github-said-to-seek-2-billion-valuation-in-latest-financing So apparently someone thinks that they have some great value. Not that I agree.. Dave On 6/16/2015 3:39 AM, Erik

Re: [Emc-users] Lovejoy size miss-match

2015-06-16 Thread Dave Cole
I know this sounds crazy; But I bought a couple of sets of Lovejoy couplings on Amazon this last winter and while they had an incomplete selection, I got what I needed and the prices were very good and with free two day shipping as I am a Prime member. Your mileage may vary Dave On 6

Re: [Emc-users] Suitable transformers = hens teeth (Gene Heskett)

2015-06-14 Thread Dave Cole
://www.engineeringtoolbox.com/nema-electrical-motor-frame-dimensions-d_1504.html Dave On 6/14/2015 10:16 AM, Gene Heskett wrote: On Sunday 14 June 2015 05:06:22 andy pugh wrote: On 14 June 2015 at 02:38, Gene Heskett ghesk...@wdtv.com wrote: It does look good, but where can I get an adaptor to mount

Re: [Emc-users] Suitable transformers = hens teeth (Gene Heskett)

2015-06-14 Thread Dave Cole
drive. A lot of them go pretty cheap because most people are trying to get away from brush maintenance. But DC motors can have 100% torque at very low speeds which is usually not possible with a VFD driven AC motor. Most low HP DC motors tend to be skinny. :-) Dave On 6/14/2015 12:14 PM

Re: [Emc-users] Suitable transformers = hens teeth (Gene Heskett)

2015-06-14 Thread Dave Cole
motors aren't typically designed for inexpensive VFDs. That in either event does not seem to be a viable way to spin a 1/2-13 USS tap at say 300 rpms. I believe that most rigid tapping setups with LinuxCNC are done with VFD driven spindle motors with some type of encoder attached. Dave On 6/14

Re: [Emc-users] Serial FPGA buses/interconnections [Was: Sandy box]

2015-06-08 Thread Dave Cole
On 6/8/2015 12:06 PM, Philipp Burch wrote: Hi Dave! On 08.06.2015 15:43, Dave Cole wrote: ___ From the Ethercat Technology Group membership application page: The membership cost is pretty low... !!! :-) And there are some

Re: [Emc-users] Serial FPGA buses/interconnections [Was: Sandy box]

2015-06-08 Thread Dave Cole
On 6/6/2015 7:06 PM, Gene Heskett wrote: On Saturday 06 June 2015 16:52:08 Dave Cole wrote: I've been around for a while and worked with current loop serial interfaces, rs232, rs422/485, Ethernet (back when thicknet was standard) etc. Why in world would you not use Ethernet??It leaves

Re: [Emc-users] Sandy box

2015-06-06 Thread Dave Cole
I disagree. What could be more worthwhile than discussing the merits or future possible developments and trends.. Dave On 6/6/2015 3:32 PM, Rafael wrote: Perhaps it's just semantics but we are not making progress here ;-) On 06/06/2015 05:46 AM, Alexander Rössler wrote: Rafael writes

Re: [Emc-users] Serial FPGA buses/interconnections [Was: Sandy box]

2015-06-06 Thread Dave Cole
, pay them some $$, get some source code and use what has already been developed and use every tool that they have already developed. No need to reinvent the wheel. Dave On 6/6/2015 4:19 PM, Philipp Burch wrote: Hi everyone, when we're talking about buses and interfaces, I'd like to bring up

Re: [Emc-users] Powerhawk VTC-150 Mill Conversion Nearing Completion

2015-06-05 Thread Dave Cole
On 6/5/2015 11:28 AM, andy pugh wrote: On 5 June 2015 at 16:20, Dave Cole linuxcncro...@gmail.com wrote: Don't over look the fact that you can attach a regular PLC to LinuxCNC via Modbus TCP or RTU and have the tool changer logic run in the external PLC. However, for any tool change

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